Home / 28,866.04-43,266.22-12,215.68

Finding the Fourth Proportional to 28,866.04, 43,266.22 and 12,215.68

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Solution

The fourth proportional to 28,866.04, 43,266.22 and 12,215.68 is: 18,309.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,866.04 : 43,266.22 = 12,215.68 : x
  2. Step 2: Convert to fraction form
    28,866.04/43,266.22 = 12,215.68/x
  3. Step 3: Cross multiply
    28,866.04x = 43,266.22 × 12,215.68
  4. Step 4: Simplify right side
    28,866.04x = 528,526,159.62
  5. Step 5: Solve for x
    x = 528,526,159.62/28,866.04
  6. Step 6: Final answer
    x = 18,309.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.